This enchanting mountain plateau celebrates spooky local folklore.

On the highest peak in the Harz Mountains, science and the occult faced off in a failed attempt to turn a goat into a boy.

Kloster Eberbach is one of Europe’s best-preserved medieval Cistercian monasteries, founded in 1136 and renowned for its austere Romanesque architecture and historic wine cellars.

Legendary site where an evil bishop was devoured by rodents.

Hilltop monument to the victory of a new nation in the Franco-Prussian War.

An astounding 13th-century architectural and historical achievement

Modest by day, illuminated majestically at sunset.

This poignant display is now a memorial to these regionally extinct species.

Here be dragons.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

Gargantuan home of Russian science.

Stalinist skyscraper built with help of cryotechnology.

World's largest bell sits on the grounds of the Kremlin in Moscow.

Former headquarters of the KGB.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

Inside the world's largest seed bank, WWII botanists elected to starve to death rather than compromise their collection.

A small and surprising passageway in Saint Petersburg devoted to the Beatles.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A marvel of Byzantine engineering under the streets of Istanbul.